Patent · US Active

Multi-stranded coil spring

US8689380B2 · kind B2 · utility

9Cited by
45References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2012
Grant dateApr 8, 2014
Priority date—
Expiry dateFeb 11, 2032

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F3/04
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A spring assembly including a helical coil formed from a multi-strand cord.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.